Treasury Secretary Henry Paulson told international leaders on Sunday that isolationism and protectionism could worsen the spreading financial crisis. With a new trading week dawning, U.S. lawmakers urged quick action by the Bush administration on measures to make direct purchases of bank stock to help unlock lending.

Treasury Secretary Henry Paulson told international leaders on Sunday that isolationism and protectionism could worsen the spreading financial crisis. With a new trading week dawning, U.S. lawmakers urged quick action by the Bush administration on measures to make direct purchases of bank stock to help unlock lending.